Multiplication principle - math word problems

  1. Graduation party
    dancers There are 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected.
  2. id=8470
    dvojak A number cube is rolled and a coin is tossed. The number cube and the coin are fair. What is the probability that the number rolled is greater than 2 and the coin toss is head?
  3. No. of divisors
    triangle_div How many different divisors has number ??
  4. 7 heroes
    7statocnych 9 heroes galloping on 9 horses behind. How many ways can sort them behind?
  5. Flags
    vlajka_cz How many different flags can be made from colors white, red, green, purple, orange, yellow, blue so that each flag consisted of three different colors?
  6. Vans
    shuttlevan In how many ways can 9 shuttle vans line up at the airport?
  7. Seating
    kupe_1 How many ways can 5 people sit on 4 numbered chairs (e. G. , seat reservation on the train)?
  8. Guests
    hostia How many ways can 5 guests sit down on 6 seats standing in a row?
  9. Word
    words What is the probability that a random word composed of chars E, Y, G, E, R, O, M, T will be the GEOMETRY?
  10. 2nd class variations
    cards From how many elements you can create 2450 variations of the second class?
  11. Shelf
    bookshelf.JPG How many ways are there to arrange 6 books on a shelf?
  12. Orchard
    orchard 3 trees in 3 lines grows in the orchard. How many trees are in the orchard?
  13. Phone numbers
    old_phone How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
  14. Rectangles
    rectangles How many rectangles with area 3032 cm2 whose sides is natural numbers are?
  15. Football league
    football In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
  16. Candy
    bulls How many ways can divide 10 identical candies to 5 children?
  17. Playing cards
    playing_cards How many possible ways are to shuffle 7 playing cards?
  18. Pairs
    pair At the table sit 8 people, 4 on one side and 4 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
  19. Morse alphabet
    morse_code Calculate how many words of Morse code to create compiling commas and dots in the words of one to four characters.
  20. Stacks
    euro_stacks Annie has a total of $ 702. The money must be divided into stacks so that each buyer has the same amounth of dollars. How many options she have?

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